23131010212 has 12 divisors (see below), whose sum is σ = 40488393456. Its totient is φ = 11562897800.

The previous prime is 23131010209. The next prime is 23131010213. The reversal of 23131010212 is 21201013132.

It is not an unprimeable number, because it can be changed into a prime (23131010213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631798 + ... + 667405.

It is an arithmetic number, because the mean of its divisors is an integer number (3374032788).

Almost surely, 2^23131010212 is an apocalyptic number.

It is an amenable number.

23131010212 is a deficient number, since it is larger than the sum of its proper divisors (17357383244).

23131010212 is a wasteful number, since it uses less digits than its factorization.

23131010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303658 (or 1303656 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 23131010212 its reverse (21201013132), we get a palindrome (44332023344).

The spelling of 23131010212 in words is "twenty-three billion, one hundred thirty-one million, ten thousand, two hundred twelve".